//
//  WBVisitorView.swift
//  WeiBo
//
//  Created by gzy on 2017/11/27.
//  Copyright © 2017年 GZY. All rights reserved.
//

import UIKit

/// 访客视图
class WBVisitorView: UIView {
    
    lazy var registerButton:UIButton = UIButton.zy_textButton(
        "注册",
        fontSize: 16,
        normalColor: UIColor.orange,
        highlightedColor: UIColor.black,
        backgroundImageName: "common_button_white_disable")
    lazy var loginButton:UIButton = UIButton.zy_textButton(
        "登录",
        fontSize: 16,
        normalColor: UIColor.darkGray,
        highlightedColor: UIColor.black,
        backgroundImageName: "common_button_white_disable")
    
    /// 访客视图的信息字典
    var visitorInfo: [String: String]? {
        didSet {
            guard let imageName = visitorInfo?["imageName"],
                let message = visitorInfo?["message"] else {
                    return;
            }
            tipLab.text = message
            if imageName == "" {
                startAnimation()
                return
            }
            iconView.image = UIImage(named: imageName)
            // 其他视图控制器不需要显示小房子
            houseIconView.isHidden = true
        }
    }
    
    // MARK: 构造函数
    override init(frame: CGRect) {
        super.init(frame: frame)
        setupUI()
    }
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    // 旋转动画
    private func startAnimation() {
      
        let animation = CABasicAnimation(keyPath: "transform.rotation")
        animation.toValue = 2 * Double.pi
        animation.repeatDuration = CFTimeInterval(MAXFLOAT)
        animation.duration = 10
        //完成之后不删除
        animation.isRemovedOnCompletion = false
        iconView.layer .add(animation, forKey: nil)
        
    }
    // MARK: 设置访客视图信息
    
    /// 使用字典设置访客视图的信息
    ///
    /// - Parameter dic: [imageName / message]
    /// 提示: 如果是首页 imagename = ""
    func setupInfo(dic: [String:String]) {
       guard let imageName = dic["imageName"],
        let message = dic["message"] else {
            return;
        }
        tipLab.text = message
        if imageName == "" {
            return
        }
        iconView.image = UIImage(named: imageName)
    }
    // MARK: 私有控件
    // 图像视图
    private lazy var iconView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
    // 遮罩图像
    private lazy var maskIconView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    // 小房子
    private lazy var houseIconView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
    private lazy var tipLab:UILabel = UILabel.zy_label(
        withText: "关注一些人，回这里看看有什么惊喜关注一些人，回这里看看有什么惊喜",
        fontSize: 14,
        color: UIColor.darkGray)
 
}
extension WBVisitorView {
    func setupUI() {
        backgroundColor = UIColor.white
        addSubview(iconView)
        addSubview(maskIconView)
        addSubview(houseIconView)
        addSubview(tipLab)
        addSubview(registerButton)
        addSubview(loginButton)
        tipLab.textAlignment = .center

        // 取消 autoresizing
        for v in subviews {
            v.translatesAutoresizingMaskIntoConstraints = false
        }
        // 自动布局
        // 1.图像视图
        addConstraint(NSLayoutConstraint(item: iconView,
                                         attribute: .centerX,
                                         relatedBy: .equal,
                                         toItem: self,
                                         attribute: .centerX,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: iconView,
                                         attribute: .centerY,
                                         relatedBy: .equal,
                                         toItem: self,
                                         attribute: .centerY,
                                         multiplier: 1.0,
                                         constant: -60))
        // 2. 小房子
        addConstraint(NSLayoutConstraint(item: houseIconView,
                                         attribute: .centerX,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .centerX,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: houseIconView,
                                         attribute: .centerY,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .centerY,
                                         multiplier: 1.0,
                                         constant: 0))
        // 3. 提示标签
        addConstraint(NSLayoutConstraint(item: tipLab,
                                         attribute: .centerX,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .centerX,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: tipLab,
                                         attribute: .top,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: 10.0))
        addConstraint(NSLayoutConstraint(item: tipLab,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: nil,
                                         attribute: .notAnAttribute,
                                         multiplier: 1.0,
                                         constant: 236))
        // 4. 注册按钮
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .left,
                                         relatedBy: .equal,
                                         toItem: tipLab,
                                         attribute: .left,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .top,
                                         relatedBy: .equal,
                                         toItem: tipLab,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: 10.0))
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: nil,
                                         attribute: .notAnAttribute,
                                         multiplier: 1.0,
                                         constant: 100))
        // 5. 登录按钮
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .right,
                                         relatedBy: .equal,
                                         toItem: tipLab,
                                         attribute: .right,
                                         multiplier: 1.0,
                                         constant: -10))
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .top,
                                         relatedBy: .equal,
                                         toItem: tipLab,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: 10.0))
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: nil,
                                         attribute: .notAnAttribute,
                                         multiplier: 1.0,
                                         constant: 100))
        // 6 遮罩图像
        // views: // 定义VFL 中的控件名和实际名称的映射关系
        addConstraint(NSLayoutConstraint(item: maskIconView,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: self,
                                         attribute: .width,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: maskIconView,
                                         attribute: .height,
                                         relatedBy: .equal,
                                         toItem: self,
                                         attribute: .height,
                                         multiplier: 1.0,
                                         constant: 0))
//        let viewDic = ["maskIconView":maskIconView,
//                       "registerButton":registerButton] as [String : Any]
//        addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "H:|-0-[maskIconView]-0-|", options: [], metrics: nil, views: viewDic))
//        addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "H:|-0-[maskIconView]-0-|", options: [], metrics: nil, views: viewDic))
     
    }
    
}
